Washington County Fire Weather Forecast

Washington County-
Including Akron, Cope, Last Chance, and Otis
616 PM MDT Tue Oct 8 2019

.REST OF TONIGHT…
Sky/weather………Clear.
Min Temperature…..41-45.
24 hr trend……2-4 degrees warmer.
Max Humidity……..44-54%.
24 hr trend……10-15% drier.
20-foot winds…….Southeast winds 4-12 mph shifting to the
southwest 4-13 mph after midnight.
Haines Index……..5 or moderate.
LAL……………..1.
CWR……………..0 percent.
15K FT MSL winds….West 15-25 mph.
Mixing height…….Below 1000 FT AGL.
Transport winds…..Light winds until 2000, then west around 10
mph.
Smoke dispersal…..Poor.

.WEDNESDAY…
Sky/weather………Mostly sunny until 1500, then partly
cloudy(30-40%).
Max Temperature…..78-82.
24 hr trend……Little change.
Min Humidity……..11-15%.
24 hr trend……4-7% wetter.
20-foot winds…….Southwest winds 4-13 mph shifting to the south
8-14 mph with gusts to 20 mph in the afternoon.
Haines Index……..6 or high.
LAL……………..1.
CWR……………..0 percent.
15K FT MSL winds….Southwest 20-30 mph.
Mixing height…….Below 1000 FT AGL until 1000, then 9000-10000
ft AGL until 1700, then 4500 ft AGL.
Transport winds…..West around 10 mph until 0800, then light until
1000, then southeast 10-15 mph.
Smoke dispersal…..Poor until 1300, then good until 1700, then
fair.

.WEDNESDAY NIGHT…
Sky/weather………Partly cloudy(40-50%) until 2100, then mostly
cloudy. Chance of rain showers. Chance of snow
showers after 2400.
Min Temperature…..20-24.
24 hr trend……20-25 degrees cooler.
Max Humidity……..100%.
24 hr trend……More than 50% wetter.
20-foot winds…….Breezy. North winds 18-28 mph with gusts to 35
mph.
Haines Index……..4 or low.
LAL……………..1.
CWR……………..10 percent until 2400, then 30 percent.
15K FT MSL winds….Southwest 35-45 mph.
Mixing height…….1000-2000 ft AGL.
Transport winds…..Southeast 15-20 mph until 2000, then north
25-30 mph until 2400, then 35-40 mph.
Smoke dispersal…..Poor.

.THURSDAY…
Sky/weather………Cloudy. Chance of snow showers until 1200, then
snow showers likely.
Max Temperature…..27-31.
24 hr trend……35-50 degrees cooler.
Min Humidity……..60-70%.
24 hr trend……More than 50% wetter.
20-foot winds…….Windy. North winds 22-31 mph with gusts to 40
mph.
Haines Index……..2 or very low.
LAL……………..1.
CWR……………..20 percent until 1200, then 50 percent.
15K FT MSL winds….Southwest 40-50 mph.
Mixing height…….3000-4000 ft AGL.
Transport winds…..North 35-40 mph.
Smoke dispersal…..Good until 1300, then very good.

.THURSDAY NIGHT…Colder. Snow showers likely. Lows around 12.
Northwest winds 13-23 mph.
.FRIDAY…Not as cold. Clear. Highs in the lower 40s. Northwest
winds 11-17 mph.
.SATURDAY…Warmer, clear. Lows in the lower 20s. Highs around
60. West winds 6-12 mph.
.SUNDAY…Clear. Lows in the upper 20s. Highs in the upper 60s.
Southwest winds 5-8 mph.

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